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If you want a story into the other "operating system" that keeps the NYC subway system running (or from another point of view, never advancing), see this: http

If you want a story into the other "operating system" that keeps the NYC subway system running (or from another point of view, never advancing), see this: https://www.theatlantic.com/technology/archive/2015/11/why-dont-we-know-where-all-the-trains-are/415152/ https://www.theatlantic.com/technology/archive/2015/11/why-d... "Why New York Subway Lines Are Missing Countdown Clocks" and how it's actually very about how managing a software/IT project can go wrong.

ncmncm 4y ago
The key to all big projects that work well is that they start with small projects that work well, and deliver something useful immediately, adding more continuously. They don't need to stay with equipment they delivered at first; they just need to keep what visibly works working. They can replace older equipment and software with what works better in a bigger system, as they grow. If that seems more expensive, look at the hundred-million dollar+ contracts. Electronics is cheap, under those numbers.